The RK3026 was a dual-core Cortex-A7 processor designed for entry-level devices. The 4.4.2 KitKat update was a major milestone for these devices, as it improved memory management for gadgets with only 512MB or 1GB of RAM. Rockchip RK3026 (Dual-core). OS Version: Android 4.4.2 KitKat.
: For basic tasks like e-reading or offline video playback, the 4.4.2 firmware is more stable than many unofficial custom ROMs. Compatibility Issues Rockchip Rk3026 4.4.2 Firmware
Stability & Reliability